<template>
  <div class="tags" v-if="showTags">
    <ul ref="tagsUl" class="scrollber">
      <li
        class="tags-li"
        v-for="(item,index) in tagsList"
        :class="{'active': isActive(item.path)}"
        :key="index"
      >
        <router-link :to="item.path" class="tags-li-title" :title="item.title">{{item.title}}</router-link>
        <span class="tags-li-icon" v-if="item.title!=='首页'" @click="closeTags(index)">
          <i class="el-icon-close"></i>
        </span>
      </li>
    </ul>
    <div class="tags-close-box">
      <el-dropdown @command="handleTags">
        <el-button size="mini" type="primary">
          标签选项
          <i class="el-icon-arrow-down el-icon--right"></i>
        </el-button>
        <el-dropdown-menu size="small" slot="dropdown">
          <el-dropdown-item command="other">关闭其他</el-dropdown-item>
          <el-dropdown-item command="all">关闭所有</el-dropdown-item>
        </el-dropdown-menu>
      </el-dropdown>
    </div>
  </div>
</template>

<script>
import bus from "./bus";
import { mapState } from "vuex";
export default {
  data() {
    return {
      tagsList: [{
          name: "Index",
          path: "/index",
          title: "首页",
        }],
      clientWidth:''
    };
  },
  mounted(){
      this.clientWidth=document.body.clientWidth-550
      // this.$store.commit('iftabsFalg', false )
  },
  methods: {
    isActive(path) {
      if (
        this.$route.path == "/inspectionSon" ||
        this.$route.path == "/inspection" ||
        this.$route.path == "/photograph"||
        this.$route.path == "/Inspection"||
        this.$route.path == "/InspectionSon"
      ) {
        return path === "/inspection";
      }
      return path === this.$route.fullPath;
    },
    // 关闭单个标签
    closeTags(index) {

      const delItem = this.tagsList.splice(index, 1)[0];
      const item = this.tagsList[index]
        ? this.tagsList[index]
        : this.tagsList[index - 1];
      if (item&&item.path!=="/index") {
        if (delItem.path=="/inspection") {
          delItem.path === '/inspection' && this.$router.push(item.path);
        }else{
           delItem.path === this.$route.fullPath && this.$router.push(item.path);
        }

      } else {
            this.tagsList = [
        {
          name: "Index",
          path: "/index",
          title: "首页",
        }
      ];
        this.$router.push("/index");
      }
    },
    // 关闭全部标签
    closeAll() {
      this.tagsList = [
        {
          name: "Index",
          path: "/index",
          title: "首页",
        }
      ];
      this.$router.push("/index");
    },
    // 关闭其他标签
    closeOther() {
      const curItem=[ {
          name: "Index",
          path: "/index",
          title: "首页",
        }]
        let curItem1=[]
       curItem1 = this.tagsList.filter((item) => {

         if(this.$route.fullPath.substring(0,6)=='/inspe'||this.$route.fullPath.substring(0,6)=='/photo'){
         return item.path === '/inspection';
        }else if(this.$route.fullPath!==curItem[0].path){
          return item.path === this.$route.fullPath;
        }
      });
      this.$emit("curItem", curItem1);
      // if(curItem1.length>0){
         this.tagsList = curItem.concat(curItem1)
      // }

    },
    // 设置标签
    setTags(route) {
    //  var boxwidth= this.tagsList.length*75
    //   if(boxwidth+75 >= this.clientWidth){
    //       this.$store.commit('iftabsFalg',true)
    //     return
    //   }
    //     this.$store.commit('iftabsFalg', false )
      if (
        route.path == "/inspectionSon" ||
        route.path == "/photograph" ||
        route.path == "/Inspection"||
        route.query.type == 1
      ) {
        const isExist = this.tagsList.some((item) => {
          return item.path === "/inspection";
        });
        this.isActive("/inspection");
      } else {
        const isExist = this.tagsList.some((item) => {
          return item.path === route.fullPath;
        });
        !isExist &&
          this.tagsList.push({
            title: route.meta.title,
            path: route.fullPath,
            name: route.matched[1].components.default.name,
          });
        bus.$emit("tags", this.tagsList);
      }
    },
    handleTags(command) {
      command === "other" ? this.closeOther() : this.closeAll();
    },
  },
  computed: {
    showTags() {
      return this.tagsList.length > 0;
    },
  },
  watch: {
    $route(newValue, oldValue) {
      this.setTags(newValue);
    },
  },
  created() {
    this.setTags(this.$route);
  },
};
</script>


<style>

.tags {
  position: fixed;
  height: 43px;
  overflow: auto;
  background: #fff;
  /* padding-right: 120px; */
  box-shadow: 1px 5px 5px #ccc9c9;
  z-index: 1;
}

.tags ul {
  box-sizing: border-box;
  /* width: 100%; */
  height: 100%;
  display: flex;
  overflow-x: scroll;
  overflow-y: hidden;

}

.tags-li {
  float: left;
  display: flex;
  margin: 3px 5px 2px 3px;
  border-radius: 3px;
  font-size: 12px;
  /* overflow: hidden; */
  cursor: pointer;
  height: 30px;
  line-height: 30px;
  border: 1px solid #e9eaec;
  background: #fff;
  padding: 0 5px 0 12px;
  vertical-align: middle;
  color: #666;
  -webkit-transition: all 0.3s ease-in;
  -moz-transition: all 0.3s ease-in;
  transition: all 0.3s ease-in;
}

.tags-li:not(.active):hover {
  background: #f8f8f8;
}

.tags-li.active {
  color: #fff;
  background-color: #409eff;
}
.tags-li a {
  text-decoration: none;
  width: 50px;
  text-align: center;
}
.tags-li-title {
  float: left;
  max-width: 80px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin-right: 5px;
  color: #666;
}

.tags-li.active .tags-li-title {
  color: #fff;
}

.tags-close-box {
  position: absolute;
  right: 10px;
  top: 0;
  box-sizing: border-box;
  padding-top: 1px;
  text-align: center;
  width: 110px;
  height: 40px;
  background: #fff;
  box-shadow: -3px 0 15px 3px rgba(0, 0, 0, 0.1);
  z-index: 10;
}
</style>
